TLDR Review: Pool RX Algaecide Blue 101001
Verdict
*Pool RX 101001 6 Month Algaecide Blue* is a reliable and efficient solution for controlling algae in pools ranging from 7,500 to 20,000 gallons, especially for those wanting to drastically reduce chemical use and maintenance time. It shines in hot climates and saltwater pools but requires realistic expectations about its lifespan and performance against certain algae types like yellow algae. If you have a larger pool or want a more precise flow control option for the pump basket setup, consider carefully monitoring reapplication schedules or upgrading your connectors for durability. This product remains a top choice within swimming pool algaecides for those prioritizing ease and long-term clarity.
- Top pro:
- Highly effective at eliminating algae and keeping pool water crystal clear over multiple seasons.
- Top con:
- The product does not always fully eliminate yellow algae, and in some cases, algae worsened after its use.
Pros
- •Highly effective at eliminating algae and keeping pool water crystal clear over multiple seasons.
- •Significantly reduces the need for scrubbing, brushing, and use of additional chemicals like algaecides and shock treatments.
- •Allows pool owners to run their pump less frequently, saving on electricity costs.
- •Works well in hot climates and is ideal for saltwater pools struggling with algae issues.
- •Requires only one unit per year (about six months), offering low maintenance pool care.
- •Compatible refills are available at a lower cost, making ongoing use more affordable.
- •The all-blue version performs best when placed directly in the pump basket for optimal algae control.
- •Provides peace of mind and is strongly recommended by professional pool maintenance experts and satisfied users alike.
- •Contains copper sulfate, an effective agent for algae control.
- •Dramatically cuts down on all-around pool maintenance efforts, letting owners enjoy their pool more.
Cons
- •The product does not always fully eliminate yellow algae, and in some cases, algae worsened after its use.
- •In hot climates, the treatment duration can be shorter than advertised, lasting only about five weeks instead of six months.
- •Users may need to reapply more frequently than expected to maintain results.
- •Some pool owners find it more expensive than DIY or generic copper sulfate treatments available online.
- •When combined with calcium hypochlorite shock, algae can turn black, creating the appearance of black algae which may cause concern.
- •One unit may not be sufficient for larger pools (around 15,000 gallons), requiring more product for full effectiveness.
- •The metal hose flange used in the pump basket can be fragile and requires careful handling to avoid leaks or damage.
- •Other similar hose connectors carry the risk of damage when the hose is adjusted or repositioned.
- •Newer model units include a drain feature that should be checked for secure sealing prior to use to avoid leaks.
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How we researched this
About this review: it summarizes the professional reviews and customer ratings ShopSavvy collected for this product, alongside prices from 1 retailer in ShopSavvy's price data, most recently seen Oct 7, 2026.
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